Submersible mixer



FIG. 1 is a rear view of the submersible mixer showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear perspective view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a front perspective view thereof; and,

FIG. 8 is a left side elevational view thereof.

The broken lines in the drawings form no part of the claimed design.

CLAIM The ornamental design for a submersible mixer, as shown anddescribed.